February 2014
Intermediate to advanced
374 pages
8h 12m
English
Content preview from Learning PowerCLI for VMware VSphereBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Configuring Storage I/O Control
Storage I/O Control (SIOC) is a feature of VMware vSphere Enterprise Plus that provides I/O prioritization of virtual machines running on a group of VMware vSphere hosts that have access to the same datastore. If the latencies of a datastore come above a certain threshold, Storage I/O Control will throttle the I/O bandwidth of the virtual machines that use this datastore (according to their respective share value). The default value for the latency threshold is 30 milliseconds. You should keep this default value unless you have a good reason to change it. One good reason can be the use of SSDs, where a latency threshold of 10 - 15 milliseconds is recommended.
You can enable or disable Storage I/O Control using the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.